# A049726 (b-file synthesized from sequence entry) 0 1 1 4 2 18 3 31 4 73 5 105 6 204 7 249 8 412 9 501 10 760 11 865 12 1207 13 1376 14 1864 15 2070 16 2688 17 2951 18 3740 19 4068 20 5059 21 5413 22 6612 23 7057 24 8421 25 8974 26 10620 27 11247 28 13114 29 13835 30 16034 31 16812 32 19267 33 20221 34 22994 35 23973 36 27092 37 28240